Purple dewplant Disphyma crassifolium
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An invasive, non-native plant.
This small succulent plant is popular in gardens and very widely available.
What's the problem?
It produces wide-spreading mats of dense stems clothed with small, reddish-green swollen leaves and large pinkish-purple daisy-like flowers. In areas with a mild climate by the sea, small fragments of stem readily become established on walls, sandy places and sea-cliffs in the wild, where they grow rapidly to the exclusion of plants, bryophytes and lichens in a similar way to that of Hottentot fig. Although not common in the wild, it does considerable damage to some important botanical sites.
Rapid Risk Assessment
***** Critical Risk
This species is listed on Schedule 9 of the Wildlife and Countryside Act in England and Wales therefore, it is also an offence to plant or otherwise cause to grow these species in the wild.